Re: [Duplicity-talk] Differential/incremental backups

[Colin Ryan]

To be honest I'm guilty of throwing around terms. What I mean to 
highlight is that rsnapshot will delta files while some of the rsynclib 
based tools will actually track differentials within files etc in 
support of sparse files etc etc.

C


Jacob wrote:
> On Wed, 27 Aug 2008 12:20:43 -0400
> Colin Ryan <address@hidden> wrote:
>
>   
> > Rsnapshot runs and detects changed _files_ (verses blocks) and does it's 
> > rotations. The rotation directories will have the actual changed files 
> > in them and are filled in with hard links.
> >     
>
> I thought blocks were a unit of space used by data, and that blocks are a unit for measurement, for 
> example: "This file has 5 blocks of data." (I also assumed this is where video game 
> consoles get the term "blocks".)
>
> So, with this definition, I'd assume that changed blocks naturally means 
> changed files, and that naturally duplicity will detect changed files due to 
> changed blocks.
>   
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